/* ── ZaminSense Shared Design System ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@300;400;500&display=swap');
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#03090f;--bg2:#060e18;--bg3:#07111f;
  --surface:rgba(255,255,255,0.04);--surface2:rgba(255,255,255,0.07);
  --border:rgba(255,255,255,0.08);--border2:rgba(255,255,255,0.15);
  --text:#f0f4f8;--muted:rgba(240,244,248,0.5);--muted2:rgba(240,244,248,0.72);
  --accent:#1bffb4;--blue:#00aaff;--green:#1bff64;--purple:#7c5cfc;--amber:#ffaa00;
  --font-d:'Space Grotesk',sans-serif;--font-b:'DM Sans',sans-serif;
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:28px;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);font-size:18px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:1.4rem 4rem;background:rgba(3,9,15,0.82);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:.5px solid var(--border);gap:1rem}
.nav-logo{font-family:var(--font-d);font-weight:800;font-size:1rem;letter-spacing:0;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:6px;flex-shrink:0}
.nav-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{color:var(--muted);font-size:.95rem;text-decoration:none;transition:color .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-cta{background:var(--accent);color:#03090f;padding:.45rem 1.15rem;border-radius:100px;font-size:.82rem;font-weight:600;font-family:var(--font-d);text-decoration:none;transition:opacity .2s,transform .2s;white-space:nowrap;flex-shrink:0}
.nav-cta:hover{opacity:.85;transform:translateY(-1px)}
.nav-ghost{background:transparent;color:var(--muted2);border:.5px solid var(--border2);padding:.45rem 1.15rem;border-radius:100px;font-size:.82rem;font-weight:400;text-decoration:none;transition:background .2s;white-space:nowrap;flex-shrink:0}
.nav-ghost:hover{background:var(--surface2);color:var(--text)}
/* Hamburger */
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;border:none;background:none}
.nav-hamburger span{width:22px;height:1.5px;background:var(--muted2);border-radius:2px;transition:all .3s}
.nav-mobile{display:none;position:fixed;top:58px;left:0;right:0;z-index:199;background:rgba(3,9,15,.97);backdrop-filter:blur(20px);border-bottom:.5px solid var(--border);padding:1.5rem 1.5rem 2rem;flex-direction:column;gap:.25rem}
.nav-mobile.open{display:flex}
.nav-mobile a{color:var(--muted2);font-size:1rem;text-decoration:none;padding:.65rem 0;border-bottom:.5px solid var(--border);transition:color .2s}
.nav-mobile a:last-child{border-bottom:none}
.nav-mobile a:hover{color:var(--text)}
.nav-mobile .mob-cta{color:var(--accent);font-weight:600;font-family:var(--font-d);margin-top:.5rem;border-bottom:none}

/* ── TYPOGRAPHY ── */
.section-tag{font-size:.72rem;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:.65rem}
.section-title{font-family:var(--font-d);font-size:clamp(1.8rem,3.5vw,2.9rem);font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-bottom:1.1rem}
.section-sub{font-size:1.05rem;color:var(--muted);line-height:1.82;max-width:600px}

/* ── BUTTONS ── */
.btn-p{background:var(--accent);color:#03090f;padding:.8rem 1.9rem;border-radius:100px;font-size:1.02rem;font-weight:600;font-family:var(--font-d);text-decoration:none;transition:all .25s;display:inline-flex;align-items:center;gap:7px;border:none;cursor:pointer}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(27,255,180,.32)}
.btn-s{background:var(--surface2);color:var(--text);padding:.8rem 1.9rem;border-radius:100px;border:.5px solid var(--border2);font-size:1.02rem;font-weight:400;text-decoration:none;transition:all .25s;display:inline-flex;align-items:center;gap:7px}
.btn-s:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* ── DIVIDER ── */
hr.divider{border:none;border-top:.5px solid var(--border)}

/* ── PAGE HERO ── */
.page-hero{padding:9rem 2rem 5rem;text-align:center;background:var(--bg);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:min(900px,100%);height:400px;background:radial-gradient(ellipse,rgba(27,255,180,.07) 0%,transparent 65%);pointer-events:none}
.page-hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);background:rgba(27,255,180,.08);border:.5px solid rgba(27,255,180,.25);padding:.35rem .95rem;border-radius:100px;margin-bottom:1.6rem}
.page-hero-tag span{width:5px;height:5px;border-radius:50%;background:var(--accent)}
.page-hero h1{font-family:var(--font-d);font-size:clamp(2.2rem,5vw,4.2rem);font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-bottom:1.2rem}
.page-hero p{font-size:clamp(1rem,1.5vw,1.2rem);color:var(--muted);max-width:580px;margin:0 auto 2.5rem;line-height:1.82;font-weight:300}

/* ── FEAT GRID ── */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5px;background:var(--border);border:.5px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin:2rem 0}
.feat-cell{background:var(--bg2);padding:1.6rem 1.5rem}
.feat-icon{font-size:1.15rem;margin-bottom:.65rem}
.feat-t{font-family:var(--font-d);font-size:1rem;font-weight:600;margin-bottom:.35rem}
.feat-d{font-size:.92rem;color:var(--muted);line-height:1.65}

/* ── FOOTER ── */
footer{background:var(--bg);border-top:.5px solid var(--border);padding:2.25rem 4rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.foot-logo{font-family:var(--font-d);font-weight:800;font-size:.9rem;color:var(--muted)}
.foot-links{display:flex;gap:1.5rem;flex-wrap:wrap}
.foot-links a{font-size:.85rem;color:var(--muted);text-decoration:none;transition:color .2s}
.foot-links a:hover{color:var(--text)}
.foot-copy{font-size:.82rem;color:var(--muted)}

/* ── REVEAL ── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  nav{padding:1rem 2rem}
  footer{padding:2rem 2rem}
}
@media(max-width:768px){
  nav{padding:.9rem 1.25rem}
  .nav-links,.nav-cta,.nav-ghost{display:none}
  .nav-hamburger{display:flex}
  footer{flex-direction:column;text-align:center;padding:2rem 1.25rem;gap:.75rem}
  .foot-links{justify-content:center}
  .page-hero{padding:7rem 1.25rem 3.5rem}
  .feat-grid{grid-template-columns:1fr}
  .section-title{font-size:clamp(1.6rem,6vw,2.4rem)}
}
@media(max-width:480px){
  .page-hero h1{font-size:2rem}
  .btn-p,.btn-s{padding:.72rem 1.4rem;font-size:.85rem}
}

.nav-logo span+span{letter-spacing:0;margin-left:0}